626219660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{14449}}^1$

素因数の和:14666

約数の個数: 48

約数和(自身を含む): 1441994400

約数和(自身を除く): 815774740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3940, 4334, 8668, 10835, 14449, 21670, 28898, 43340, 57796, 72245, 144490, 158939, 288980, 317878, 635756, 794695, 1589390, 2846453, 3178780, 5692906, 11385812, 14232265, 28464530, 31310983, 56929060, 62621966, 125243932, 156554915, 313109830, 626219660]

約数ペア:

[(1, 626219660), (2, 313109830), (4, 156554915), (5, 125243932), (10, 62621966), (11, 56929060), (20, 31310983), (22, 28464530), (44, 14232265), (55, 11385812), (110, 5692906), (197, 3178780), (220, 2846453), (394, 1589390), (788, 794695), (985, 635756), (1970, 317878), (2167, 288980), (3940, 158939), (4334, 144490), (8668, 72245), (10835, 57796), (14449, 43340), (21670, 28898)]